February 13, 2024-KB5034467 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2
Applies To
.NETIMPORTANT
This update was originally released in the Security and Quality Rollup that’s dated January 23, 2024. This update is included in the Security and Quality Rollup that’s dated February 13, 2024. There is no change to this update with this release on February 13, 2024. If you have previously installed this update no action is needed.
Release Date:February 13, 2024
Version: .NET Framework 3.5 and 4.8.1
The January 23, 2024 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.
Summary
Security Improvements
There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements.
Quality and Reliability Improvements
There are no new Quality and Reliability Improvements in this update.
|
ASP.NET |
- Addresses an issue with "System.ArgumentException: Illegal characters in path" in some ASP.Net MVC requests. |
|
.NET Libraries |
- Addresses an issue where version of the OSS zlib library is out of date. |
Known issues in this update
Microsoft is not currently aware of any issues in this update.
How to get this update
Install this update
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Release Channel |
Available |
Next Step |
|
Windows Update and Microsoft Update |
Yes |
Go to Settings > Update & Security > Windows Update. In the Optional updates available area, you’ll find the link to download and install the update. |
|
Windows Update for Business |
Yes |
Go to Settings > Update & Security > Windows Update. In the Optional updates available area, you’ll find the link to download and install the update. |
|
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
|
Windows Server Update Services (WSUS) |
Yes |
This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product: Windows 11, version 22H2 and Windows 11, version 23H2 Classification: Updates |
File information
For a list of the files that are provided in this update, download the file information for cumulative update.
Prerequisites
To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed.
Restart requirement
You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.
How to obtain help and support for this update
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Help for installing updates: Windows Update FAQ
-
Protect yourself online and at home: Windows Security support
-
Local support according to your country: International Support
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